NEXT THEY WILL BE PROTESTING DOLPHIN CAPTIVITY: "With orca changes, SeaWorld must live without iconic Shamu - US News

There's NO END to what they can protest. Some of them are protesting ZOOS as well.
http://www.usnews.com/news/us/articles/2016-03-19/with-orca-changes-seaworld-must-live-without-iconic-shamu